CVE-2020-29556
Grav CMS Local File Injection
The Backup functionality in Grav CMS through 1.7.0-rc.17 allows an authenticated attacker to read arbitrary local files on the underlying server by exploiting a path-traversal technique. (This vulnerability can also be exploited by an unauthenticated attacker due to a lack of CSRF protection.)
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
The Backup functionality in Grav CMS through 1.7.0-rc.17 allows an authenticated attacker to read arbitrary local files on the underlying server by exploiting a path-traversal technique. (This vulnerability can also be exploited by an unauthenticated attacker due to a lack of CSRF protection.)
- Record
CVE-2020-29556- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
CVE List No score
The Backup functionality in Grav CMS through 1.7.0-rc.17 allows an authenticated attacker to read arbitrary local files on the underlying server by exploiting a path-traversal technique. (This vulnerability can also be exploited by an unauthenticated attacker due to a lack of CSRF protection.)
- Record
CVE-2020-29556- Updated
- 2026-11-02
EUVDEUVD-2022-5083 No score
The Backup functionality in Grav CMS through 1.7.0-rc.17 allows an authenticated attacker to read arbitrary local files on the underlying server by exploiting a path-traversal technique. (This vulnerability can also be exploited by an unauthenticated attacker due to a lack of CSRF protection.)
- Record
EUVD-2022-5083- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-r3rg-jrjq-w4mr
Grav CMS Local File Injection
The Backup functionality in Grav CMS through 1.7.0-rc.17 allows an authenticated attacker to read arbitrary local files on the underlying server by exploiting a path-traversal technique. (This vulnerability can also be exploited by an unauthenticated attacker due to a lack of CSRF protection.)
- Record
GHSA-r3rg-jrjq-w4mr- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
OSV
The Backup functionality in Grav CMS through 1.7.0-rc.17 allows an authenticated attacker to read arbitrary local files on the underlying server by exploiting a path-traversal technique. (This vulnerability can also be exploited by an unauthenticated attacker due to a lack of CSRF protection.)
- Record
CVE-2020-29556- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVGHSA-r3rg-jrjq-w4mr
Grav CMS Local File Injection
The Backup functionality in Grav CMS through 1.7.0-rc.17 allows an authenticated attacker to read arbitrary local files on the underlying server by exploiting a path-traversal technique. (This vulnerability can also be exploited by an unauthenticated attacker due to a lack of CSRF protection.)
- Record
GHSA-r3rg-jrjq-w4mr- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
getgrav/gravPackagist |
1.7.0-beta.1 to 1.7.0-rc.17 | None known |
getgrav/gravPackagist |
before 1.6.30 | 1.6.30 |
getgrav/gravPackagist |
1.7.0-beta.1 to 1.7.0-rc.17, plus listed versions 1.7.0-beta.101.7.0-beta.21.7.0-beta.31.7.0-beta.41.7.0-beta.5 Show 20 moreShow less1.7.0-beta.61.7.0-beta.71.7.0-beta.81.7.0-beta.91.7.0-rc.11.7.0-rc.101.7.0-rc.111.7.0-rc.121.7.0-rc.131.7.0-rc.141.7.0-rc.151.7.0-rc.161.7.0-rc.21.7.0-rc.31.7.0-rc.41.7.0-rc.51.7.0-rc.61.7.0-rc.71.7.0-rc.81.7.0-rc.9 |
None known |
getgrav/gravPackagist |
before 1.6.30, plus listed versions 0.8.00.9.00.9.10.9.100.9.11 Show 45 moreShow less0.9.120.9.130.9.140.9.150.9.160.9.170.9.180.9.190.9.20.9.200.9.210.9.220.9.230.9.240.9.250.9.260.9.270.9.280.9.290.9.30.9.300.9.310.9.320.9.330.9.340.9.350.9.360.9.370.9.380.9.390.9.40.9.400.9.410.9.420.9.430.9.440.9.450.9.50.9.60.9.70.9.80.9.91.0.01.0.0-rc.11.0.0-rc.2 |
1.6.30 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-29556 is a medium vulnerability (CVSS 5.5) in Getgrav Grav Cms, published March 15, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.98%, the 62nd percentile. Fixed in getgrav/grav 1.6.30.
References
Left out here: 137 versions. The JSON record has them.